Model name ARU18RLF ARU24RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 18,000 24,000
Input power W 73 111
Running current A 0.44 0.66
Fan
Airflow rate
Cooling
HIGH
CFM (m
3
/h)
554 (940) 783 (1,330)
MED 518 (880) 730 (1,240)
LOW 483 (820) 648 (1,100)
QUIET 441 (750) 607 (1,030)
Heating
HIGH 554 (940) 783 (1,330)
MED 518 (880) 730 (1,240)
LOW 483 (820) 648 (1,100)
QUIET 441 (750) 607 (1,030)
Type × Q'ty Sirocco × 3 Sirocco × 4
Motor output W 81
Recommended static pressure inWG (Pa) 0 to 0.36 (0 to 90) 0 to 0.20 (0 to 50)
Sound pressure level *2
Cooling
HIGH
dB (A)
32 33
MED 31 32
LOW 30 30
QUIET 29 29
Heating
HIGH 33 35
MED 32 34
LOW 31 32
QUIET 29 29
Heat exchanger type
Dimensions (H × W × D) in (mm)
11-9/16 × 27-9/16 × 1-9/16
(294 × 700 × 39.9)
11-9/16 × 35-7/16 × 1-9/16
(294 × 900 × 39.9)
Fin pitch FPI 20
Rows × Stages 3 × 14
Pipe type Copper tube
Fin type Aluminum
Enclosure
Material Galvanized steel sheet
Color -
Dimensions
(H × W × D)
Net
in (mm)
7-13/16 x 35-7/16 x 24-7/16
(198 × 900 × 620)
7-13/16 x 43-5/16 x 24-7/16
(198 × 1,100 × 620)
Gross
10-13/16 x 45-1/16 x 30-3/8
(274 × 1,145 × 772)
10-13/16 x 52-15/16 x 30-3/8
(274 × 1,345 × 772)
Weight
Net
lb (kg)
49 (22) 55 (25)
Gross 60 (27) 68 (31)
Connection pipe
Size
Liquid
mm (in)
Ø1/4 (Ø6.35)
Gas Ø1/2 (Ø12.70) Ø5/8 (Ø15.88)
Method Flare
Drain hose
Material Hard PVC
Size in (mm) Ø 3/4(I.D.), Ø 1-1/16(O.D.) [Ø 20.7 (I.D.), Ø 26.6 (O.D.)]
Operation range
Cooling
°F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wired (Wireless [option])
NOTES:
• Specifications are based on the following conditions.
– Standard static pressure: 0.10 inWG (25 Pa)
• *: Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 7 -
2-2. Slim duct type 2. Specifications
MULTI TYPE
2, 3, 4 ROOMS TYPE
MULTI TYPE
2, 3, 4 ROOMS TYPE
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